Namz NO2X-1201 Replacement Part O2 Sensor Harness Extension and Bung Adapter

Harley Davidson Twin Cam Exhaust 18mm to 12mm Oxygen o2 Sensor Bung Adapters

Namz Oxygen Sensor Plug-N-Play Extension Harness #NO2X-1201 Harley Davidson

Steel Adapters Reduce 02 O2 Sensor Ports Bungs 18MM To 12MM Fits for Harley Plug

Namz O2 Sensor Harness Extension and Bung Adapter NO2X-1201* 1861-0608 850-08783

Namz O2 Sensor Adapter - 18/12mm NO2X-1201

Fits For Harley Davidson Exhaust Reducer Oxygen Sensor Ports 12MM to 18MM Hole

Reducer Oxygen Sensor Ports 12MM to 18MM Hole 2x Fit for Harley Davidson Exhaust